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參數資料
| 型號： | MM54C89N |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | DRAM |
| 英文描述： | 64-Bit TRI-STATE Random Access Read/Write Memory |
| 中文描述： | 16 X 4 STANDARD SRAM, 910 ns, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數： | 4/6頁 |
| 文件大小： | 130K |
| 代理商： | MM54C89N |
AC Electrical Characteristics
*
Guaranteed across the specified temperature range, C
L
e
50 pF (Continued)
MM54C89
MM74C89
Parameter
Conditions
T
A
e b
55
§
C to
a
125
§
C
Min
T
A
e b
40
§
C to
a
85
§
C
Min
Units
Max
Max
t
SD
V
CC
e
5V
V
CC
e
10V
V
CC
e
15V
V
CC
e
5V
V
CC
e
10V, C
L
e
5 pF
V
CC
e
15V, R
L
e
10 k
X
70
35
30
60
30
25
ns
ns
ns
t
1H
, t
0H
420
170
135
360
145
115
ns
ns
ns
*
AC Parameters are guaranteed by DC correlated testing.
Truth Table
ME
WE
Operation
Condition of Outputs
L
L
H
H
L
H
L
H
Write
Read
Inhibit, Storage
Inhibit, Storage
TRI-STATE
Complement of Selected Word
TRI-STATE
TRI-STATE
AC Test Circuits
t
0H
TL/F/5888–4
t
1H
TL/F/5888–3
Switching Time Waveforms
t
0H
TL/F/5888–5
t
1H
TL/F/5888–6
Read Cycle
TL/F/5888–7
Write Cycle
TL/F/5888–8
4
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| MM54C902 | Linear Motion Control; Series:LCP12; Track Resistance:10kohm; Resistance Tolerance:+/-20%; Power Rating:0.4W; Resistor Element Material:Conductive Plastic; Temperature Coefficient:+/-400ppm/ C; Adjustment Type:Knob; Linearity %:1% RoHS Compliant: Yes |
| MM74C902 | Linear Motion Control; Series:LCP12; Track Resistance:10kohm; Resistance Tolerance:+/-20%; Power Rating:0.7W; Resistor Element Material:Conductive Plastic; Temperature Coefficient:+/-400ppm/ C; Adjustment Type:Knob RoHS Compliant: Yes |
| MM54C903 | Linear Motion Control; Series:LCP12; Track Resistance:10kohm; Resistance Tolerance:20%; Power Rating:1.2W; Resistor Element Material:Conductive Plastic; Temperature Coefficient:400ppm/ C; Adjustment Type:Knob RoHS Compliant: Yes |
| MM74C903 | Hex Inverting TTL, Non-Inverting TTL, Inverting CMOS, Non-Inverting CMOS Buffer |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MM54C89W | 制造商:ROCHESTER 制造商全稱:ROCHESTER 功能描述:Random Access Read / Write Memory Wide supply voltage range 3.0V ro 15V |
| MM54C89WB | 制造商:ROCHESTER 制造商全稱:ROCHESTER 功能描述:Random Access Read / Write Memory Wide supply voltage range 3.0V ro 15V |
| MM54C90 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:4-Bit Decade, Binary Counter |
| MM54C90 WAF | 制造商:Texas Instruments 功能描述: |
| MM54C901 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Hex Inverting TTL, Non-Inverting TTL, Inverting CMOS, Non-Inverting CMOS Buffer |
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